Blueprint showing proposed designs for a carburettor case, filter, and half strangles.
| Identifier | ExFiles\Box 122\3\ scan0004 | |
| Date | 3rd May 1938 guessed | |
| New New New New New New Mould to plant Proposed carb-case & filter & half strangles A B C D E F G H DC-42 EX-860 | ||
From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).